+#ifdef EMULATE_SYSCTL /* sysctl emulation */
+ if ( ac >= 2 && !strcmp(av[1], "sysctl")) {
+ char *s;
+ int i;
+
+ if (ac != 3) {
+ printf( "sysctl emulation usage:\n"
+ " ipfw sysctl name[=value]\n"
+ " ipfw sysctl -a\n");
+ return 0;
+ }
+ s = index(av[2], '=');
+ if (s == NULL) {
+ s = !strcmp(av[2], "-a") ? NULL : av[2];
+ sysctlbyname(s, NULL, NULL, NULL, 0);
+ } else { /* ipfw sysctl x.y.z=value */
+ /* assume an INT value, will extend later */
+ if (s[1] == '\0') {
+ printf("ipfw sysctl: missing value\n\n");
+ return 0;
+ }
+ *s = '\0';
+ i = strtol(s+1, NULL, 0);
+ sysctlbyname(av[2], NULL, NULL, &i, sizeof(int));
+ }
+ return 0;
+ }
+#endif
+